MPLS Building Blocks

IP routers make forwarding decision based on IP packet header, and local CEF and FIB table.
MPLS routers make forwarding decision based on the MPLS label and the LFIB .
MPLS is great technology these days not because it forwards the packets faster , but because of applications and solutions we can provide for our customers like MPLS VPN’s .

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MPLS uses the IP routing information to determine the direction and next hop to forward a labeled packet .

Does this before the first packet even arrives.

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